<div class="seed-badge-follow"
     [class.loading]="loading"
>
  <button type="button" class="follow-btn unfollow" *ngIf="index == 0"><span>关注</span></button>
  <button class="follow-btn following" *ngIf="index == 1"><span>已关注</span></button>
  <button class="follow-btn follow-each-other" *ngIf="index == 2"><span>互相关注</span></button>
</div>
